condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0157339 0.0 0.0472017 12 h after light 0.03598743333333333 0.0 0.0625151 3 h after dark 0.09201066666666667 0.0 0.276032 6 h after dark 0.08946006666666666 0.0548235 0.147419 9 h after dark 0.0185011 0.0 0.0555033 12 h after dark 0.06357696666666666 0.0 0.136534